Dust cap for automobiles



Patented Mar. 3D, 1926. y Y l UNITED- sTAfTs-s PAT-E OFFICE 'y CORNELIUSVv. conn ANDTHOMAS A. COLL, OF VIO'JJOR,COLORADO.V i

DUST CAP `non AUTOMOBILES. l

Application led .Tune 2, :1925. n Serial N'orf 34,410. Y

To LZZ'wLomJz't may concern: f

'Be it known thatwe, CORNELIUS V. COLL' and THOMAS A. COLL, citizens ofthe United States,'residing at Victor, in the countyjo Teller and Stateof Colorado, have invented certain new and useful Improvements in DustCaps for Automobiles;` and Vwe do hereby declare the following to be afull, clear, and exact description of the invention,

suoli as will enable others skilled inthe art` tov whichl itappertainsto kmake and use4 the same.

one of its objects to improveV the general constructionl of articlesofthis character Vandgto provide one that shall embody aretaining sectionAadapted to be threadedly connected tothe valve stem, a closure sectionadapted to be easily and quickly slipped onto and off of the retainingsection,and means carried by the closure section and engaging the valvestemfto prevent the accidental displacement of said closure section. i if The invention consistsof the construction, combination andarrangementof parts hereinafter yfully described and claimed, 'and il-Vlustrated in the accompanying drawing, wherein: Y f i Figure 1 is and-ust cap supplied to a valve stem', v y

FigureV 2 is a longitudinal sectional view of the valve stemand ,dustcap taken on the plane indicated by the line 2-2 of Figure 1,

Figure 3 isia longitudinalsectional .view Y of the dust cap vwith theclosure section in l partlyopened position, and l Figure 4 is a similarview-with the closure section in fully opened position.

Corresponding and like parts are referred to inthe followingdescription, and designated in the several viewsof the accompanyingdrawing, by similar reference characters.

. n the drawing 1` designates a valvey stem for pneumatic tires and asshown includes a i threaded body portion 2 provided at its inner'endwith a threaded nippleY 3.

The retaining section 4 of the dustcap is provided at one end with anintegrally formed rim nut 5 by means of which it is removably secured tothe body portion 2 of the valve stein 1. The rim nut 5 has an annularrecess 6 in which is seated a'packing ring 7 for contact with the innerside of the wheel rim through which the valve stemA 1v 'passes TheSestini fi alienta@ auf; 5 has A This invention relates to dust caps forthe valve stems of pneumatic tires, and has `for elevational 'view -ofthe internal transverse ydimension greaterth'aii the external diameterof` the body 2 of the f (valve stem-'1, and isv provided with opposedlongitudinally extending slots 8 having in-v clined end walls 8&5V Thissection isprovided in'its vouter sidewith grooves 9 registering with theslots 8. n 1 f The closure,v section 10 ofthe dust caphas a! snugsliding fit yon the retaining section 4. One end of the section lOisclosed by a wall 11,'and7secured within thisvsectionare leaf springs12.' yThe spr-ings 12 are arraiigz'ged Y 'directly.Oppsite'each otherand Vextendv longitufdinally beyondvthe open'end of .the section10. Thesprings12eitend into the seo"- tion' 'L1-'through the openings 8, andare provided .at their free `ends'with heads 13 whichrwhenthesection'lO` is in closedvposition contact ,withy the body'portion2 ofthe-'valve` Stem 1 `anddue theretoprevent this section-vfromcasually moving into opcned'position." Y

The heads A18v are heldin Contact with the body portion-2 of thevalvestem 1 by Shanks 14 through the 'medium 'of which theyl are4secured to 'thespriiigs 12 and which when the 'sectionl'l'O'is inclosed position contactv with the inner surfacefof the section 4. The

grooves-9 are provided for the purpose ofk receivingthe*upper endportions of 'the so` v springs 12fwhen the section 1()4 is in closed-Vposition. I'The springs 12 are under tensionv vwhen thers'ection 10 isin lclosed position,

and react and i'nove the shanks 14 into the slots 8 when this sectionis' in the partly'rv opened position shown in Figure 3; The

Shanks. 14l are round so as to permit the Seel tion 1Q tof-be swungromits partly opened position to the fully opened position shown" Toreturn the sectionlO tol in Figure 4. closed position it iso-nlyiiecessary to irst move it into partlyopened position and thenslide it onto the section4. To direct the free ends of the springs 12into thesection 4 while the section 10 is being slid onto this section,the Shanks v14 are provided with beveled portions ltior cooperation withthe *i beveled end walls 8a of the slots '8.` ,l .A rod-16 passesfreelythrough an opening 17 in `the end wall 11 of the section 10, and

oo v` loof'.

is-provided with an air capl8having threaded engagement with the nippleS'o f the valve stein 1. rI he rod 16 is providedV with a knurled head19 by which it may bel turned to apply the airl cap-'18 to or remove itfrom jthe nipple 8 of the valvestem 1.

Whenever itis. desired toinda'te'thetre or' Which the valvev stem 1forms a part, the section 10 is Withdrawn from the section 4. and thenceswung into an angular position with respect thereto and this may bereadilyA done after disengaging the air cap 118 from the nipple 8 of thevalve stem 1. After the tire has been inflated the section 10 is againapplied to the section 4 and after this has been done the air cap 18 isthreaded onto the nipple Soit the valve stem 1. As the heads 3 are heldin frictional contact With the body portion 2 of the valve stein` 1 bythe springs12, the section 10 is held against casual 'movement'intoopened position.

It should be understood that the drawing is merely illustrative and doesnot pretend to give exact proportions. Furthermore,

lthe said'draiving is illustrative of a preout departing from the spiritand scope of 2. A dust cap for a v'alvestem, comprising a retainingsection provided with longitudinally extending slots having their innerend `Walls beveled, a closure section removably applied to the retainingsection, springs carried by the closure section and entering theretaining section when the closure section is applied to the retainingsection, said springs being adapted'to occupyv a position extei'iorlyor' the retaining section `When the closure section vis removed from theretaining section,vshanls carried by said springs and adapted to extendthrough said slots When the closure section is removed from theretaining section, said shankskhaving beveledportions adapted tocooperate With the beveled Walls of said slots to direct the inner endsof the springs into the-retaining section during the application of theclosure section to the retaining section, and eleinents carried by saidshanks for engagement with the valve stem When the closure sectionV isapplied to the retaining section.

3. A dust cap for a Avalve stem, comprising a retaining section adaptedfor threaded engagement With the valve stem, a closure section slidablymounted on the retaining section, and an air cap slidably and rotatablycarried by the closure section.

li. A dust cap for a valve stem, comprising a retaining section providedwith slots, closure sectionslidably mounted on the retaining section,springs carried by the closure section and entering the vretainingsection through the slots, and elements carried by the lsprings forengagement with the valve stem., v A l 5. Adust cap fora'valve stern,comprising` a retaining section, a closure section removably appliedA tothe retaining's'ection, and means carried by the4 closure section andadapted to releasably engage the valve stein `when the closure sectionis applied to theretaining section and adapted to pivota-lly connect theclosure section tothe retaining section when the closure section isremoved from the retaining section.

6. A dust cap for a Yvalve stein, comprising a retaining section, aclosure section re movably applied to the retaining section, and ineansadapted to establish a releasable connection between the closure sectionand the valve stem When said section is applied Vtothe retaining sectionand adapted. to pivotally connect. the closure section to the retainingsection when the former section is withdiaivnfrom the latter.

In testimony whereof lWe aiiixour signatures.V

CORNELIUS V. COLL. THOMAS A.- COLL.

